A group of 20 persons, men, women, and children, drink in a tavern. Together they spend 18 Thaler. The men drink for 3 Thaler a person, the women for 2 Thaler, and the children for half a Thaler. How many men, women, and children were in the drinking party

f(x) = x^3 -2x^2 -3x

x( x^2 -2x-3)

x( x^2 +x -3x -3)

x( x(x+1) -3(x+1))

x( x-3)( x+1)

so zeroes are 0, 3,-1

its (2) option

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